CA1269812A - Hydraulic system for the mold clamping unit of a plastics injection molding machine - Google Patents

Hydraulic system for the mold clamping unit of a plastics injection molding machine

Info

Publication number
CA1269812A
CA1269812A CA000554957A CA554957A CA1269812A CA 1269812 A CA1269812 A CA 1269812A CA 000554957 A CA000554957 A CA 000554957A CA 554957 A CA554957 A CA 554957A CA 1269812 A CA1269812 A CA 1269812A
Authority
CA
Canada
Prior art keywords
cylinder
piston
power
control valve
space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000554957A
Other languages
English (en)
French (fr)
Inventor
Karl Hehl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1269812A publication Critical patent/CA1269812A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C45/6764—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement
    • B29C45/6771—Mould opening, closing or clamping devices hydraulic using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement the connection being provided within the clamping cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C2045/6785—Mould opening, closing or clamping devices hydraulic interconnecting two cylinders to supply fluid from one cylinder to the other during movement of the pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CA000554957A 1986-12-23 1987-12-21 Hydraulic system for the mold clamping unit of a plastics injection molding machine Expired - Lifetime CA1269812A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3644181A DE3644181C1 (de) 1986-12-23 1986-12-23 Hydraulikeinrichtung fuer die Formschliesseinheit einer Kunststoff-Spritzgiessmaschine
DEP3644181.3 1986-12-23

Publications (1)

Publication Number Publication Date
CA1269812A true CA1269812A (en) 1990-06-05

Family

ID=6317063

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000554957A Expired - Lifetime CA1269812A (en) 1986-12-23 1987-12-21 Hydraulic system for the mold clamping unit of a plastics injection molding machine

Country Status (9)

Country Link
US (1) US4846664A (xx)
EP (1) EP0272626B1 (xx)
JP (1) JPS63168325A (xx)
AT (1) ATE63083T1 (xx)
CA (1) CA1269812A (xx)
DE (2) DE3644181C1 (xx)
ES (1) ES2022866B3 (xx)
HK (1) HK100092A (xx)
SG (1) SG97792G (xx)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802254A1 (de) * 1988-01-27 1989-08-24 Kloeckner Ferromatik Desma Verfahren zum steuern bzw. regeln von spritzgiessmaschinen
JPH02211965A (ja) * 1988-10-31 1990-08-23 Toshiba Mach Co Ltd 型締シリンダ装置
DE3844432C1 (xx) * 1988-12-31 1990-01-25 Karl 7298 Lossburg De Hehl
DE4018334C1 (en) * 1990-06-08 1991-11-07 Karl 7298 Lossburg De Hehl Hydraulic appts. for mould closing unit of injection moulder - includes pump control valve on mould closure unit, hydraulic cylinder(s) controlled by 4-4 way valve
US5133655A (en) * 1991-01-07 1992-07-28 Husky Injection Molding Systems Ltd. Friction clamp for injection molding machine
DE4209392C2 (de) * 1992-03-23 1995-10-12 Krauss Maffei Ag Formschließvorrichtung für eine Spritzgießmaschine
US5634334A (en) * 1992-10-14 1997-06-03 Hehl; Karl Hydraulic device for use in a production machine
DE4335006C1 (de) * 1993-10-14 1995-03-30 Karl Hehl Formschließeinheit für eine Kunststoff-Spritzgießmaschine
DE4340693C2 (de) * 1993-11-30 1996-07-11 Karl Hehl Formschließeinheit für eine Kunststoff-Spritzgießmaschine
EP0665093A1 (en) * 1994-01-31 1995-08-02 Nissei Asb Machine Co., Ltd. Apparatus and method of clamping mold
DE19523420C1 (de) * 1995-06-28 1996-09-12 Boy Gmbh Dr Hydraulische Formschließvorrichtung für eine Spritzgießmaschine
CN1070410C (zh) * 1996-02-22 2001-09-05 东芝机械株式会社 精密注塑的夹紧装置
DE19744986C1 (de) * 1997-10-13 1999-02-11 Karl Hehl Formschließeinheit für eine Spritzgießmaschine
DE19820934C2 (de) * 1998-05-09 2003-12-04 Karl Hehl Formschließeinheit für eine Spritzgießmaschine
US6120724A (en) * 1998-08-20 2000-09-19 Husky Injection Molding Systems, Ltd. Apparatus and method for clamping a mold
DE10051255C1 (de) * 2000-10-16 2002-05-29 Karl Hehl Schließeinrichtung an einer Kunststoff-Spritzgießmaschine
DE10220406B4 (de) * 2001-07-02 2011-02-03 Bosch Rexroth Aktiengesellschaft Antriebsvorrichtung für ein bewegliches Teil, insbesondere Formschließvorrichtung für eine Spritzgießmaschine, und Verfahren zum Betrieb einer solchen Antriebsvorrichtung
DE10209921C1 (de) * 2002-03-07 2003-10-30 Karl Hehl Schließeinrichtung an einer Kunststoff-Spritzgießmaschine
TWI237592B (en) * 2002-10-17 2005-08-11 Jin-Ming Huang Single-cylinder multiple-piston-rod injection and mold clamping/opening mechanism
JP2004299269A (ja) * 2003-03-31 2004-10-28 Aoki Technical Laboratory Inc 型締装置
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US7699770B2 (en) 2005-02-24 2010-04-20 Ethicon Endo-Surgery, Inc. Device for non-invasive measurement of fluid pressure in an adjustable restriction device
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
DE102005053802A1 (de) * 2005-11-11 2007-05-16 Demag Ergotech Gmbh Schließvorrichtung für eine Spritzgießmaschine
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8413572B1 (en) 2006-11-22 2013-04-09 Westendorf Manufacturing, Co. Auto attachment coupler with abductor valve
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533418B2 (xx) * 1972-10-07 1978-02-06
JPS5417325A (en) * 1977-07-08 1979-02-08 Yoshino Kogyosho Co Ltd Direct pressure type mold clamping apparatus
US4131596A (en) * 1977-08-22 1978-12-26 Logic Devices, Inc. Sensing system and method for plastic injection molding
JPS55124632A (en) * 1979-03-22 1980-09-25 Toshiba Mach Co Ltd Control system for opening and closing of moving mold for injection molding machine
JPS56154042A (en) * 1980-03-06 1981-11-28 Nissei Plastics Ind Co Hydraulic device for opening and closing dies of molding machine
JPS56165556A (en) * 1980-05-23 1981-12-19 Mitsubishi Heavy Ind Ltd Die clamping device
DE3044137C2 (de) * 1980-11-24 1985-01-31 Karl 7298 Loßburg Hehl Formschließeinheit zum Aufnehmen einer Kunststoffspritzgießform
DE3119095C2 (de) * 1981-05-14 1983-09-01 Karl 7298 Loßburg Hehl Steuervorrichtung für den hydraulischen Kreislauf einer Kunststoff-Spritzgießmaschine
DE3238111C1 (de) * 1982-10-14 1984-03-29 Karl 7298 Loßburg Hehl Hydraulikeinrichtung fuer die Formschliesseinheit einer Kunststoff-Spritzgiessmaschine
JPS5989131A (ja) * 1982-11-15 1984-05-23 Mitsubishi Heavy Ind Ltd 直圧式射出成形機に於ける型締シリンダ
DE3347000A1 (de) * 1983-12-24 1985-07-04 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulische einrichtung zur steuerung eines doppeltwirkenden hydromotors

Also Published As

Publication number Publication date
HK100092A (en) 1992-12-18
US4846664A (en) 1989-07-11
SG97792G (en) 1993-01-29
DE3769772D1 (de) 1991-06-06
JPH0569696B2 (xx) 1993-10-01
EP0272626B1 (de) 1991-05-02
ATE63083T1 (de) 1991-05-15
DE3644181C1 (de) 1988-04-28
ES2022866B3 (es) 1991-12-16
EP0272626A3 (en) 1989-04-12
JPS63168325A (ja) 1988-07-12
EP0272626A2 (de) 1988-06-29

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